Repair Section
2
–
96
2.3 Non-Reoccurring Malfunctions
z In cases where the malfunction does not reoccur, perform the actions below to determine the cause of the malfunction.
Action
Malfunction Symptom
Fully Dis-
charged Bat-
tery
Engine will not
Start
Idle Speed,
Engine Stall,
Sputtering,
Poor Acceler-
ation
Verify that there is no DTC stored in the memory. No Yes Yes
Use the questionnaire as a basis to perform a reoccurrence test in
"Reoccurrence" mode. Use this data (engine ECU voltage value, etc.)
to determine the cause of the malfunction.
Yes Yes Yes
Assume that an electrical sys-
tem wiring harness or connector
is the cause of the malfunction.
Shake the wiring by hand to
check whether a malfunction
occurs and a DTC is generated.
No Yes Yes
Assume that an electrical system female connector terminal is the
cause of the malfunction and verify that the connection points are not
defective.
No Yes Yes
Use a dryer to heat the acceler-
ator pedal position sensor and
other electronic components.
Check for changes in the volt-
age value (resistance value).
< CAUTION >
• Do not exceed 60°C (still touchable by hand) when heating.
• Do not remove the component cases and add heat directly to
electronic parts.
No No Yes
Verify whether malfunction symptoms occur under heavy engine
loads (headlights, A/C, wiper, etc. switches ON.)
No No
Yes
If any commercial electrical products have been installed, remove
such products and verify whether the malfunction symptoms occur.
Yes Yes Yes
Q002317
Recommended Tool: KOWA Precision Handling
Feeler Gauge Set (KLM-10-20)
Depending on the terminal, a matching
size may not be available
Insert the male terminal that
matches the shape of the
female terminal and check
for looseness.
Q002318
Q002319
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